Detailed comparison and review of OPPO Enco W31 and Poly Savi 8240-M D2. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Weight | 50 g | - | |
| Colour | Black | White | - | |
| Protection | Dust-resistant, IP54, water-resistant | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Audio Codec | AAC | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 95 dB | - | |
| Diaphragm | Graphene - 7 mm | - |
| MICROPHONE | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Noise Cancelling | Yes | - | OPPO Enco W31 microphone can cancel out ambient noise. |
| Sensitivity | -38 dBV/Pascal | - |
| REMOTE CONTROL | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Controls | Next/previous track, voice assistant | - |
|---|
| CABLE | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| FEATURES | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Sensors | Touch sensor | - |
|---|
| BATTERY AND CHARGING | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 25 mAh | - | |
| Battery Life | 3.5 hour(s) | - | |
| Battery Life Details | Continuous playback (with included charging case): up to 15 hours Continuous playback: up to 3.5 hours |
- | |
| Charging Time | 2.5 hour(s) | - | |
| Included Qty | 2 | - |
| OTHERS | OPPO Enco W31 | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Ear tips kit, USB charge cable, charging case (350 mAh) | - |
|---|
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